Thermoelectric performance of hybrid inorganic/organic composites based on PEDOT:PSS/tin(II) oxide

Antonio Vázquez-López; David Maestre; Ana Cremades

doi:10.1002/cphc.202300877

Thermoelectric performance of hybrid inorganic/organic composites based on PEDOT:PSS/tin(II) oxide

Chemphyschem. 2024 Apr 20:e202300877. doi: 10.1002/cphc.202300877. Online ahead of print.

Authors

Antonio Vázquez-López¹, David Maestre², Ana Cremades²

Affiliations

¹ IMDEA Materials Institute: Instituto IMDEA Materiales, c/Eric Kandel, 2, MADRID, SPAIN.
² Universidad Complutense de Madrid, Física de Materiales, SPAIN.

PMID: 38642347
DOI: 10.1002/cphc.202300877

Abstract

PSS(poly(3,4-ethylenedioxylthiophene):poly(styrenesulfonate))-based composites often exhibit remarkable characteristics regarding high electrical conductivity and great processability, being a suitable candidate for thermoelectric (TE) applications. To increase its performance, PEDOT:PSS is commonly blended with scarce and toxic inorganic compounds based on Se, Te or Bi. In this work we propose the use of one p-type metal oxide semiconductor (MOs): tin(II) oxide (SnO), motivated by its abundance and low toxicity. Hybrid PEDOT:PSS/SnO composites were obtained by firstly blending Ethylene glycol (EG) with PEDOT:PSS and then by adding p-type SnO, previously synthesized by a chemical route. The mixture was deposited via spin-coating onto glass substrates. The Power Factor (PF) of the composites increased by a factor of 300 with the combined EG/SnO composition.

Keywords: PEDOT:PSS; SnO; tin monoxide.